/* ==========================================================================
   兰克工作室 · 全站样式
   想改配色：只需要调整下面 :root 里的颜色变量，整站风格会一起变化。
   ========================================================================== */

:root {
  /* 文字与背景 */
  --ink: #23242e;
  --ink-soft: #5c6072;
  --ink-faint: #8b90a4;
  --bg: #fbfaff;
  --bg-alt: #f5f2ff;
  --surface: #ffffff;
  --line: #ebe7f6;

  /* 主题色（二次元风格的柔和粉紫蓝） */
  --pink: #ff8ab3;
  --pink-soft: #ffd9e6;
  --violet: #9b8cff;
  --violet-soft: #e4deff;
  --sky: #6cc7f5;
  --sky-soft: #d6effc;

  --gradient: linear-gradient(120deg, #ff9ec4 0%, #a78bfa 55%, #6cc7f5 100%);
  --gradient-soft: linear-gradient(120deg, #fff2f7 0%, #f3efff 55%, #eef8ff 100%);

  /* 形状与阴影 */
  --radius-lg: 26px;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 10px rgba(78, 60, 140, 0.06);
  --shadow: 0 22px 46px -24px rgba(84, 60, 150, 0.35);

  /* 布局 */
  --container: 1120px;
  --gutter: 24px;
  --section-y: clamp(64px, 8vw, 118px);
  --header-h: 72px;
}

/* --------------------------------------------------------------- 基础重置 */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 3px solid rgba(155, 140, 255, 0.55);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ------------------------------------------------------------ 通用容器 */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--section-y) 0;
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.section-alt {
  background: var(--bg-alt);
}

.section-head {
  max-width: 620px;
  margin: 0 auto clamp(36px, 5vw, 58px);
  text-align: center;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--violet);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  font-weight: 700;
}

.section-lead {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.grad-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 60;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

/* --------------------------------------------------------------- 按钮 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.96rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease,
    border-color 0.18s ease, color 0.18s ease;
}

.btn-primary {
  background-image: var(--gradient);
  color: #fff;
  box-shadow: 0 12px 26px -14px rgba(155, 110, 220, 0.9);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 32px -14px rgba(155, 110, 220, 0.95);
}

.btn-ghost {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--violet-soft);
  background: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

/* ------------------------------------------------------------- 顶部导航 */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 250, 255, 0.82);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark svg {
  border-radius: 10px;
  box-shadow: 0 8px 18px -10px rgba(155, 110, 220, 0.85);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-sub {
  color: var(--ink-faint);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-list a {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.95rem;
  transition: color 0.18s ease;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background-image: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}

.nav-list a:hover {
  color: var(--ink);
}

.nav-list a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----------------------------------------------------------------- Hero */

.hero {
  position: relative;
  padding: clamp(52px, 7vw, 96px) 0 clamp(56px, 7vw, 104px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 620px;
  background: var(--gradient-soft);
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.75;
  z-index: -1;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
}

.hero-title {
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-lead {
  max-width: 30em;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.4vw, 1.08rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(22px, 4vw, 46px);
  margin: 44px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.hero-stats dt {
  color: var(--ink-faint);
  font-size: 0.84rem;
}

.hero-stats dd {
  margin: 4px 0 0;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero-art {
  position: relative;
  justify-self: center;
  width: min(100%, 460px);
}

.art-glow {
  position: absolute;
  inset: 12% 8%;
  background: var(--gradient);
  border-radius: 50%;
  filter: blur(58px);
  opacity: 0.22;
}

.art-svg {
  position: relative;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 26px 40px rgba(120, 95, 190, 0.16));
  animation: float 7s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

/* ------------------------------------------------------------- 服务卡片 */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(272px, 1fr));
  gap: 24px;
}

.card {
  display: flex;
  flex-direction: column;
  padding: 34px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--violet-soft);
  box-shadow: var(--shadow);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  border-radius: 16px;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card-icon-pink {
  background: var(--pink-soft);
  color: #d1557f;
}

.card-icon-violet {
  background: var(--violet-soft);
  color: #6f5cd6;
}

.card-icon-sky {
  background: var(--sky-soft);
  color: #2f86b8;
}

.card-title {
  font-size: 1.24rem;
  font-weight: 700;
}

.card-text {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 0.97rem;
}

.card-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.card-list li {
  position: relative;
  padding-left: 20px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.card-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient);
}

/* ------------------------------------------------------------- 核心优势 */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.feature {
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.feature-index {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.feature-text {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ------------------------------------------------------------- 常见问题 */

.faq {
  display: grid;
  gap: 14px;
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: var(--violet-soft);
  box-shadow: var(--shadow);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-alt);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--violet);
  transform: translate(-50%, -50%);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-body {
  padding: 0 24px 22px;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* ------------------------------------------------------------- 联系方式 */

.contact-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  align-items: center;
  gap: clamp(28px, 5vw, 60px);
}

.contact-copy .section-lead {
  max-width: 28em;
}

.contact-panel {
  padding: 32px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.contact-list {
  display: grid;
  gap: 18px;
  margin-bottom: 26px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--bg-alt);
  color: var(--violet);
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.contact-label {
  color: var(--ink-faint);
  font-size: 0.8rem;
}

.contact-value {
  font-size: 0.98rem;
  font-weight: 600;
  word-break: break-word;
}

a.contact-value:hover {
  color: var(--violet);
}

.contact-note {
  margin-top: 14px;
  color: var(--ink-faint);
  font-size: 0.85rem;
  text-align: center;
}

/* ----------------------------------------------------------------- 页脚 */

.site-footer {
  padding: clamp(48px, 6vw, 72px) 0 28px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
}

.footer-brand .brand-name {
  font-size: 1.16rem;
}

.footer-text {
  max-width: 28em;
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.footer-heading {
  margin-bottom: 14px;
  color: var(--ink-faint);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col li {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.footer-col a:hover {
  color: var(--violet);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.86rem;
}

/* ------------------------------------------------------------ 响应式适配 */

@media (max-width: 980px) {
  .hero-inner,
  .contact-wrap {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-art {
    order: -1;
    width: min(100%, 380px);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 20px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: calc(var(--header-h) - 6px);
    left: var(--gutter);
    right: var(--gutter);
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-list a {
    display: block;
    padding: 10px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }

  .nav-list a::after {
    display: none;
  }

  .nav-cta {
    width: 100%;
  }

  .hero-stats {
    gap: 22px 34px;
  }

  .section-head {
    text-align: left;
  }

  .card,
  .feature,
  .contact-panel {
    padding: 26px 22px;
  }

  .footer-nav {
    gap: 20px 16px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-actions .btn {
    width: 100%;
  }

  .hero-stats {
    flex-direction: column;
    gap: 18px;
  }

  .faq-item summary {
    padding: 18px;
    font-size: 0.98rem;
  }

  .faq-body {
    padding: 0 18px 20px;
  }
}

/* --------------------------------------------------------- 无障碍与动效 */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .art-svg {
    animation: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   内页：关于我们 / 服务详情 / 联系我们
   颜色、圆角、阴影全部沿用上面的变量，不新增色板。
   ========================================================================== */

/* ------------------------------------------------------- 导航选中状态 */

.nav-list a.is-active {
  color: var(--ink);
}

.nav-list a.is-active::after {
  transform: scaleX(1);
}

/* ----------------------------------------------------------- 内页页头 */

.page-hero {
  position: relative;
  padding: clamp(40px, 6vw, 76px) 0 clamp(28px, 4vw, 52px);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -70%;
  left: -12%;
  width: min(72%, 720px);
  height: 440px;
  background: var(--gradient-soft);
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.8;
  z-index: -1;
}

.page-hero-inner {
  max-width: 780px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--ink-faint);
  font-size: 0.86rem;
}

.breadcrumb a {
  transition: color 0.18s ease;
}

.breadcrumb a:hover {
  color: var(--violet);
}

.breadcrumb-sep {
  opacity: 0.55;
}

.page-title {
  font-size: clamp(1.8rem, 4.2vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-lead {
  max-width: 34em;
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.4vw, 1.06rem);
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

/* --------------------------------------------------------- 图文两栏 */

.story {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(28px, 5vw, 60px);
}

.prose {
  display: grid;
  gap: 16px;
  color: var(--ink-soft);
  font-size: 0.99rem;
}

.prose strong {
  color: var(--ink);
}

/* ----------------------------------------------------------- 数字条 */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin: 0;
}

.stat-card {
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.stat-card dt {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.stat-card dd {
  margin: 8px 0 0;
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ------------------------------------------------------------- 团队 */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 22px;
}

.member {
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.member:hover {
  transform: translateY(-6px);
  border-color: var(--violet-soft);
  box-shadow: var(--shadow);
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
  border-radius: 18px;
  background-image: var(--gradient);
  color: #fff;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.avatar-pink {
  background-image: linear-gradient(135deg, #ffb6d2, #a78bfa);
}

.avatar-sky {
  background-image: linear-gradient(135deg, #8fd8f8, #a78bfa);
}

.avatar-violet {
  background-image: linear-gradient(135deg, #c0b2ff, #9b8cff);
}

.member-name {
  font-size: 1.06rem;
  font-weight: 700;
}

.member-role {
  margin-top: 4px;
  color: var(--violet);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.member-text {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

/* ------------------------------------------------------------- 流程 */

.steps {
  display: grid;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 26px);
  padding: clamp(24px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.step:hover {
  transform: translateY(-4px);
  border-color: var(--violet-soft);
  box-shadow: var(--shadow);
}

.step-index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: var(--bg-alt);
  color: var(--violet);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.step-text {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* --------------------------------------------------------- 服务详情 */

.service-block {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(28px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.service-block + .service-block {
  margin-top: 24px;
}

.service-head .card-icon {
  margin-bottom: 18px;
}

.service-title {
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
  font-weight: 700;
}

.service-text {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 0.97rem;
}

.meta-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.meta-row {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 0.93rem;
}

.meta-key {
  flex: none;
  min-width: 4.8em;
  color: var(--ink-faint);
}

.meta-val {
  color: var(--ink);
  font-weight: 600;
}

.meta-row dd {
  margin: 0;
}

.panel {
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-alt);
}

.panel + .panel {
  margin-top: 16px;
}

.panel-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.panel .card-list {
  margin-top: 14px;
  padding-top: 0;
  border-top: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tag {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

/* ------------------------------------------------------- 联系页布局 */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: start;
  gap: clamp(24px, 4vw, 48px);
}

.contact-panel .panel-title + .contact-list {
  margin-top: 20px;
}

.contact-panel > .form {
  margin-top: 26px;
}

.prose .page-actions {
  margin-top: 4px;
}

.stack {
  display: grid;
  gap: 16px;
}

.stack .panel + .panel {
  margin-top: 0;
}

.form {
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-label {
  font-size: 0.9rem;
  font-weight: 600;
}

.field-label .req {
  color: var(--pink);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.field textarea {
  min-height: 134px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 4px rgba(155, 140, 255, 0.16);
}

.field-hint {
  color: var(--ink-faint);
  font-size: 0.82rem;
}

.form-note {
  margin-top: 4px;
  color: var(--ink-faint);
  font-size: 0.84rem;
  text-align: center;
}

/* --------------------------------------------------- 地图占位与说明 */

.map-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--gradient-soft);
  box-shadow: var(--shadow-sm);
}

.map-card svg {
  width: 100%;
  height: auto;
}

.map-caption {
  padding: 20px 24px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* --------------------------------------------------------- CTA 区块 */

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(30px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--gradient-soft);
  box-shadow: var(--shadow-sm);
}

.cta-panel .section-title {
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
}

.cta-panel .section-lead {
  max-width: 32em;
  margin-top: 12px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ------------------------------------------------------- 内页响应式 */

@media (max-width: 980px) {
  .story,
  .service-block,
  .contact-layout,
  .cta-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .story .hero-art {
    order: -1;
  }
}

@media (max-width: 760px) {
  .step {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .step-index {
    width: 46px;
    height: 46px;
    border-radius: 14px;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .stat-card,
  .member {
    padding: 24px 22px;
  }

  .map-caption {
    padding: 18px 20px;
  }
}

@media (max-width: 480px) {
  .page-actions .btn {
    width: 100%;
  }

  .panel,
  .service-block {
    padding: 24px 20px;
  }
}